Closed semorrison closed 1 year ago
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bors merge
I'm removing those lemmas again, they are pointless, and cause non-confluence. If anyone would like to add such lemmas, please do it in a separate PR.
Canceled.
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The
@[simps]
onSpec
produces lemmas that aren't needed in mathlib3, and get in the way in mathlib4. This backports the removal of this attribute, to match https://github.com/leanprover-community/mathlib4/pull/5040.